அறனழீஇ அல்லவை செய்தலின் தீதே புறனழீஇப் பொய்த்து நகை.

Aranazheei Allavai Seydhalin Theedhe Puranazheeip Poiththu Nakai

To smile deceitfully (in another's presence) after having reviled him to his destruction (behind his back) is a greater evil than the commission of (every other) sin and the destruction of (every) virtue